Flexible display device

3. The flexible display device according to claim 2, wherein the inner housing includes a first fixed portion parallel to the flat portion and coupled to the main housing, and a second fixed portion connected to the first fixed portion with a constant angle and to which the control printed circuit board is fixed.

4. The flexible display device according to claim 3, wherein a main board and a power board are fixed to the second fixed portion, an image processor electrically connected to the control printed circuit board and supplying a data signal and a control signal is mounted on the main board, and the power board supplies power to the flexible display panel.

5. The flexible display device according to claim 4, wherein a transparent cover covering the front surface of the flexible display panel is coupled to the curved portion to cover the space to provide an always-on-display mode of the flexible display panel.

6. The flexible display device according to claim 5, wherein a position sensor coupled to the inner housing senses and transmits a position of the flexible display panel to the main board, and the main board controls the flexible display panel to operate in the always-on-display mode when a lower end portion of the flexible display panel is positioned at a lower end portion of the transparent cover.

7. The flexible display device according to claim 6, wherein the main board controls the flexible display panel to operate in a normal display mode when an upper end portion of the flexible display panel is positioned at the lower end portion of the transparent cover.

8. The flexible display device according to claim 3, wherein the inner housing further includes a third fixed portion connected to the first fixed portion and the second fixed portion, and an inner end portion of the third fixed portion is provided with a curved surface spaced apart from the moving plate.

10. The flexible display device according to claim 9, wherein the moving plate is provided with holes penetrating the front and rear surfaces at the opposite sides thereof, and the first driving member includes rotation supporting members having protrusions configured to be inserted into the holes.

11. The flexible display device according to claim 9, wherein the first rollers and the second rollers are provided with damping members formed with urethane or silicone on outer circumferential surfaces thereof, respectively.

12. The flexible display device according to claim 1, wherein rolling members which roll along the guide rails are provided on opposite sides of the rear surface of the moving plate.

13. The flexible display device according to claim 12, wherein each of the rolling members includes a guide roller which rolls while being supported by the guide rail and a roller fixing member to which the guide roller rolling along the guide rail is coupled and provided on the rear surface of the moving plate.

14. The flexible display device according to claim 13, wherein the guide rail includes a coupling portion coupled to the module housing, extended portions extended toward the moving plate at opposite sides of the coupling portion so that the guide rollers are inserted into and supported by the extended portions, and bent end portions bent toward each other at ends of the extended portions to prevent separation of the guide rollers from the guide rail, respectively.

16. The flexible display device according to claim 1, wherein the moving plate includes a rear surface having grooves at the opposite sides thereof.

17. The flexible display device according to claim 1, wherein the flat portion is provided with a supporting flange which is embedded in and fixed to the horizontal portion, and the guide rails are coupled to the supporting flange.